How can I add cat-safe fake blood to Jojo's Halloween costume?

I got Jojo a tuxedo to wear on Halloween (he doesn't mind wearing clothes), and I wanted to add some fake blood splatters for a "creepy butler" effect. Is there any way I could do that and make sure it's safe in case he licks it or anything?

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There is dog-safe haircolor spray paint- you can check and see if it is safe on cats and rabbits too, and if so try to find it in red. I hope you are not taking him out in case he sees a zombie dog and bolts... ^_^